Recommended symbols in forming technology for CIRP unified terminology

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unified terminology

Citation for published version (APA):

Houtackers, L. J. A. (1986). Recommended symbols in forming technology for CIRP unified terminology. (Concept ed.) (TH Eindhoven. Afd. Werktuigbouwkunde, Vakgroep Produktietechnologie : WPB; Vol. WPB0250). Technische Hogeschool Eindhoven.

Document status and date: Published: 01/01/1986

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RECOMMENDED SYMBOLS IN FORMING TECHNOLOGY for CrRP UNIFIED TERMINOLOGY

compiled by: L.J.A. Houtackers

WPB-Rapport nr. 0250 (concept) jan. '86

.

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INTERNATIONAL INSTITUTION FOR PRODUKTION ENGINEERING RESEARCH

INTERNATIONALE FORSCHUNGSGEMEINSCHAFT FUR MECHANISCHE PRODUKTIONSTECHNIK COLLEGE INTERNATIONAL POUR L'ETUDE SCIENTIFIQUE DES TECHNIQUES DE PRODUCTION

MECHANIQUE

Scientific Technical Committee ~F· (Forming)

RECOMMENDED

SYMBOLS IN FORMING TECHNOLOGY

(for C.I.R.P. UNIFIED TERMINOLOGY)

compiled by L.J.A. Houtackers

Division of Production Engineering and -Automation Department of Mechanical Engineering

Eindhoven University of Technology

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Explanation: - Numbers in column 3 refer to terms and texts in C.I.R.P. dictionary (part 5) in which the symbol of column 1 is used in a meaning which conforms to that in column 4;

- + behind number of term: no symbol mentioned in dictionary; - (d) behind number of term: difinitioni

- E

= English text only; G

=

German text only; F

=

French text only.

- number in column 5

=

CIRP Nr. in CIRP UNIFIED TERMINOLOGY (Annals of the CIRP Vol. 33/2/1984 p. 575-581)

SYMBOL C.LR.P.

gj,cj;;iQnary RECOMMENDED MEANING SEE

Pref. CIRP-UT vol. 5

33/2/1984 - acceleration a a - Beschleunigung 1. 10 - acceleration - area, cross-section A A 5302 EG Flache, Querschnitt 1.4 - aire, section angle a a - Winkel 1.1 - angle - width b b - Breite , 1.3 - largeur

engineering deformation number, deep drawing ratio

~ - Proceszkennzahl, Tiefziehverhaltnis 1.1

- Parametre du procede de deformation, rapport d'emboutissage

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- specific heat capacity A4.1

c c - spezifische Warme Kapazitat also

- chaleur massique 4.11 - constant C - Konstante constante diameter d d - Durchmesser 1.3 - diametre

--ti _{used for differentials, increments}

or differences

- _{linear engineering strain}

Lineare Dehnung (bezogen auf

e 5331 E(d) AusgangsIange) 3.15

- allongement brut, dilatation Unique See also E

Young's modulus of elasticity

E E - Elastizitatsmodul 3.19

- module de Young, module d'elasticite (longitudinal)

.

-- natural strain (true strain)

£ £ 5331 EF(d) - nathr!. (log. ) Dehnung (Lokalwert) 3.15

- deformation vraie (dH. rationelle) See also e

.

- natural strain rate

E 5334 EF(d) - naturliche Dehnungsgeschwindigkeit

(Lokalwert)

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- equivalent (effective, generalized) strain

-

I: 5338 EF(d) - Vergleichsformanderung (Lokalwert)

- deformation equivalente

- equivalent strain rate

:..

Vergleichsformanderungsgeschwindigkeit

€

(Lokalwert)

vitesse de deformation equivalente

.

- efficiency (factor) , work ratio (factor)

11 5330 - Wirkungsgrad

- (coefficient de) rendement

f - see ~ 3.23

force (load)

F F 5301 GF(d) - Kraft (Belastung) 3.8

- force (effort)

- value of natural strain

.

.,..)

- Umformgrad (log.

Formanderungsver-haltnis 1.1

ql - valeur de la deformation vraie ou

rationelle

*) under the assumption of uniform

deformation

. *l

- natural strain rate

- Formanderungsgeschwindigkeit

\II valeur de la vitesse de deformation

* )

under the assumption of uniform deformation

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-cp 9 G G 5331 5338 h h - equivalent strain *) - Vergleichsformanderung

- valeur de la deformation totale equivalente

*) under the assumption of uniform

deformation

- equivalent strain rate *)

- Vergleichsformanderungsgeschwindig-keit

- valeur de la vitesse de deformation equivalente

*) under the assumption of uniform deformation

- shear modulus - Schubmodul

module de ci3aillement

- shear strain, shear angle - Schiebung, Schiebung(swinkel) - deformation de cisaillement

- shear strain rate

- Schiebungsgeschwindigkeit - vitesse de deformation de cisaillement - height - Rohe - hauteur 1. 11 3.20 3.16 1.3

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H k It 1 m M n v It 1 m M v 5304 (d}t 5651 (d)+ 5654 + 5348 (d) 5349 (d) 5331 5736 etc. 5381 (d) 5470 (d) - stroke length - Hub - course

- shear flow stress

- Schubflieszspannung (von Mises) - limite d'elasticite au cisaillement

- compression modulus Kompressions modul - module de compression - length " Lange longeur - mass - Masse - masse - moment - Moment - moment - coefficient of friction - Reibungsbeiwert (Reibwert)(-faktor) - coefficient de frottement

strain hardening exponent - Verfestigungsexponent - coefficient d'ecrouissage Poisson ratio Poissonzahl - coefficient de Poisson 3.21 1.3 3. 1 3.10 3.23 3.18

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p p p p Q Q r r 5302 angular velocity Winkelgeschwindigkeit - vitesse angulaire - pressure - Flachenpressung (Druck) - pression

- power (work per unit time) - Leistung

- puissance

- quantity (of heat, fluid) - Menge (Warme-, Fllissigkeits-) - quantite (de chaleur, liquide)

- radius (polar coordinate) - Radius (Polarkoordinate) - rayon (coordinee polaire)

5309 EF(d) - anisotropy parameter, area reduction ratio

- Kennwert flir Anisotropie, bezogene

R Querschnittsanderung

- coefficient d'anisotropie, variation de 1a section transversale - bending radius Q - Biegeradiu5 rayon de pliage - thickness s - Dicke, Blechstarke - epaisseur

s

1.7 3.12 3.29 4.6 1.3 1 .3

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5339 (d) - components of stress tensor (in orthonormal vectorbasis)

0 (] - Komponenten des Spannungstensors 3.13

(in orthonormale vektrobasis)

5341 Cd) - composantes du tenseur des

contraintes (

..

)

- components of deviatoric (reduced) stress tensor (in orthonormal vectorbasis)

0 ' ₅₃₄₄ _(d) _{- Komponenten des deviatiorischen}

(reduzierten) Spannungstensors (in orthonormale vektorbasis)

composantes du tenseur deviatorique (reduit) des contraintes (.

.

) "

- hydrostatic or mean stress

0 ' _{- hydrostatische Spannungskomponente}

m

.

- contrainte hydrostatique

., - flow stress value

OF - Flieszspannungswert

tension d'bcoulement

~

- effective (generalized, equivalent) stress

-0 5345 E(d - Vergleichspannung _'.

- contrainte equivalente (effective, generalise - shear stress T T 5342 (d) - Schubspannung, (Scherspannung) - contrainte de cisaillement - time t t - Zeit 1.6 - temps

..

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- temperature T T - Temperature 4.1 - temperature

.

- angle 9 Winkel - angle u u 5306 G - displacement, velocity v v Verschiebung, Geschwindigkeit 1.9 w w - deplacement, vitesse - clearance U

-

(Zieh)spalt - marge d'outil - volume _, V V -. Volumen, Rauminhalt 1.5 volume _.l - work, energy 3.27

W W - Arbeit, Energie and

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GENERAL SUBSCRIPTS ALLGEMEINE INDIZES SYMBOLES INDICES

Pref. meaning Bedeutung signification

- axial a - Axial axial - width, bottom b - Breite, Boden largeuI, fond - bending B - Biegung

-

pliage - critical c - kritisch - critique - contact C kontakt - contact - die, drawing D Matrize, ziehen - mattice, etirage

- deformation _{ex: Tdef}

def - Umform

- deformation

- final, electric e - Endwert, elektrisch

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- effective eff - Effektivwert - effectif - elastic el - elastisch - elastique - flow F - Fliesz - ecoulement - friction Fr - Reibung - frottement - height h - Hahe - hauteur

denoting components of a tensor i,j - Bezeichnung fur Tensorkomponente

- indices des composants d'un tenseur

- ideal id - ideell - ideal - inner I innen - interne - length, longitudinal

1 - Lange (Langskomponente), longitudinal longeur, longitudinal

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- lower L - _unter - _inferieure

-

average m - Mittelwert - moyenne

-

machine M - Maschine - machine - maximum

max - Maximalwert, Grenzwert - maximum

- minimum

min - Minimalwert, Grenzwert - minimum

- normal

n - Normal ex: normal Force

=

Fn - normal - nomimal N - nominal (Nennwert) - nominal - initial, original o - Anfangswert - initial - outer o - auszer - externe

"

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- optimal opt. - Optimalwert - optimal - pressure p - Druck - pressiom punch p _Stanze - poin<;on - plastic pl - plastisch - plastique - _radial r - Radial

-

radial - relative rel - Relativ relatif - shearing, blanking S - Stanzen - poin<;onnage - specific 5 - spezifisch - specifique - tangential t - Tangential tangential . ~.

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- total tot - total - total - torsion, tensile T - Torsion, Zug - torsion, traction - uniform, ultimate u - gleichmassi9, ausserste - uniforme, ultime - upper U - oben

-

superieure - workpiece W - Wertstiick

-

eprouvette I x in direction x etc. y

-

in x-Richtung usw. Z - en direction x etc. 1 - principal directions 2 - Hauptrichtungen 3 - directions principal r polar coordinates 8 Polarkoordinaten z - coordonnees polaires " ," :